Home / 109,245.14-150,761.15-61,500.23

Finding the Fourth Proportional to 109,245.14, 150,761.15 and 61,500.23

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Solution

The fourth proportional to 109,245.14, 150,761.15 and 61,500.23 is: 84,871.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,245.14 : 150,761.15 = 61,500.23 : x
  2. Step 2: Convert to fraction form
    109,245.14/150,761.15 = 61,500.23/x
  3. Step 3: Cross multiply
    109,245.14x = 150,761.15 × 61,500.23
  4. Step 4: Simplify right side
    109,245.14x = 9,271,844,338.76
  5. Step 5: Solve for x
    x = 9,271,844,338.76/109,245.14
  6. Step 6: Final answer
    x = 84,871.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.